Home / 828,963.66-1,143,969.57-461,432.81

Finding the Fourth Proportional to 828,963.66, 1,143,969.57 and 461,432.81

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Solution

The fourth proportional to 828,963.66, 1,143,969.57 and 461,432.81 is: 636,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,963.66 : 1,143,969.57 = 461,432.81 : x
  2. Step 2: Convert to fraction form
    828,963.66/1,143,969.57 = 461,432.81/x
  3. Step 3: Cross multiply
    828,963.66x = 1,143,969.57 × 461,432.81
  4. Step 4: Simplify right side
    828,963.66x = 527,865,093,239.59
  5. Step 5: Solve for x
    x = 527,865,093,239.59/828,963.66
  6. Step 6: Final answer
    x = 636,777.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.